Source Code : Exercise Options

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Exercise Options

   
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JPasswordField;
import javax.swing.JTextField;

public class Main {
  public static void main(String[] args) {
    JFrame frame = new JFrame();
    frame.setSize(200, 200);
    frame.setVisible(true);

    JOptionPane.showMessageDialog(frame, "A");
    JOptionPane.showMessageDialog(frame, "B", "message", JOptionPane.WARNING_MESSAGE);

    int result = JOptionPane.showConfirmDialog(null, "Remove now?");
    switch (result) {
    case JOptionPane.YES_OPTION:
      System.out.println("Yes");
      break;
    case JOptionPane.NO_OPTION:
      System.out.println("No");
      break;
    case JOptionPane.CANCEL_OPTION:
      System.out.println("Cancel");
      break;
    case JOptionPane.CLOSED_OPTION:
      System.out.println("Closed");
      break;
    }

    String name = JOptionPane.showInputDialog(null, "Please enter your name.");
    System.out.println(name);

    JTextField userField = new JTextField();
    JPasswordField passField = new JPasswordField();
    String message = "Please enter your user name and password.";
    result = JOptionPane.showOptionDialog(frame, new Object[] { message, userField, passField },
        "Login", JOptionPane.OK_CANCEL_OPTION, JOptionPane.QUESTION_MESSAGE, null, null, null);
    if (result == JOptionPane.OK_OPTION)
      System.out.println(userField.getText() + " " + new String(passField.getPassword()));

  }
}

   
    
    
  

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